National Item Identification Number
01-003-9712
010039712
4820-01-003-9712
4820-01-003-9712
National Stock Number
Item Name
VALVE,CHECK
Federal Supply Class
4820
Description
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
Commercial and Government Entity Code (Supplier Data)
45153
79318
99167
Reference Numbers (Part Numbers)
18940-4
18940-4
18940-4
Required Categories
FLOW CONTROL DEVICE
VALVE OPERATION METHOD
MOUNTING POSITION
DISK LOADING MET
Required Description
DISK
AUTOMATIC
HORIZONTAL OR
VERTICAL
SPRING
FLAPPER TYPE
79318
18940-4